Sentences with phrase «cooling air mass»

The water vapor in the cooling air mass condenses and rains, and rains and rains all over the equator in the Tropical zones.
It was caused by a weather front with a warm tropical air mass (it is currently high summer in South America) moving southward and meeting a somewhat cooler air mass.

Not exact matches

Looking at radar images of the derecho, the system appears as a kind of boomerang - shaped band of high - intensity winds with a circular, cooler mass of air behind it.
«The cold air mass helps to cool the warm and wet mass, causing significant precipitation at low levels,» explains Gascón, lead author of the study, who reiterates that this situation does not happen very frequently in winter.
Areas west of the Continental Divide typically exhibit milder winters, cooler summers, and a longer growing season due to the influence of warm Pacific air masses (see Climate chapter).
If a smaller mass of air has to pass through the evaporator, less energy ends up in the refrigerant liquid, so the evaporator cools down faster.
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The inversion itself is usually initiated by the cooling effect of the water on the surface layer of an otherwise warm air mass.
Fog in the channel is caused by a large, warm air mass passing over cool water.
Isn't one important feature of cooling the stratosphere by emitting heat absorbed by ozone from incoming shortwave radiation, that this cooling has little effect on lower parts of the atmosphere since there is not much mixing between these air masses?
The smaller the lid gets — because warmer water is eating away at its edges and its underside — the more that warmer water is exposed to the local air mass, the less that air is cooled by contact with ice.
Re 346 ziarra — the flow of heat (between adjacent layers of material via conduction, convection, or mass diffusion, or potentially across larger distances via emission and absorption of photons) will be from hot to cold (or from higher to lower concentrations of a substance carrying heat, which might end up being from cold to hot in some conditions, such as a wet surface cooling by evaporation into warm dry air).
There can / will also be a shift in the tropopause (relative to mass — I am not referring to thermal expansion, though that happens; thermal contraction happens in layers that cool), which means that some layer of air is reclassified from stratospheric to tropospheric (for an upward shift).
A warm air mass moving over a cooler surface is cooled from below and becomes stable in the lowest layers.
If we look at the temperature profiles of the previous example, the effects of warming and cooling on the respective air masses are very different.
In order for the air to start cooling, the entire air mass must be losing more heat from radiation than it is gaining from the water.
The strategy involves avoiding daytime heat gains, using cool night air for thermal mass cooling, and evaporative cooling on a few occasions.
And I would challenge that assertion; Rather basic meteorological observations show that we warm faster and also cool - off faster when a dry air - mass is in place in this part of Texas vs a humid air - mass...
So the whole rising air mass experiences less cooling than it would in a dry atmosphere.
Within minutes, the air began to cool down as the thermal mass of the house absorbed the heat.
Approximately 70 % of the building is naturally ventilated and cooled; the building is «night flushed» of all hot air and utilizes interior thermal mass to moderate daytime interior temperatures.
While it's true that thick, beefy bodies of material can soak up heat during the day and then radiate that heat again when the air is cooler, this principle doesn't work if the thermal mass isn't insulated.
The basic question is: does it make sense to use a fan forced flow of cool night air over thermal mass to store «coolth» for later use in daytime cooling?
The reasoning for this is that the air masses expand and cool while rising and compress and heat while descending.
The great thermal mass of a cellar, while being its biggest asset, also means that intentionally heating and cooling a cellar will be slow (I do not heat or cool my cellar, apart from using the door to let in cool or warm air as desired);
In order to ascertain whether there is a global warming or cooling trend it is necessary to wait several years and then compare the volume and intensity of the cold polar air masses as a whole between the dates chosen.
The total air column mass is constant, and given the adiabatic control volume as shown neither heated or cooled by surroundings nor by radiation (GHG - free) or by interaction with adjacent air or ground; we need to find the equilibrium temperature profile of this gas column and we need only 2 laws: the 1st and 2nd thermo laws.
I also think that increasing urbanization would affect this factor, as urban surfaces would get hotter than the air temperature during the day and would not be as likely to cool at night to a temperature below the air temperature because they started out hotter at sundown and they have more thermal mass.
There is 10 tons of atmosphere per square meter - this has a high thermal capacity and during the night this air mass cools.
Water content in air naturally cools it, as water requires some 4000 times more energy to warm when compared same mass of air.
Adiabatic cooling of ascending air masses does not represent a loss of energy from an air mass and therefore does not create a loss of buoyancy.
The dramatic lapse rate exhibited below the tropopause is due the the pneumatic cooling and heating of vertically moving air masses and horizontal conduction.
So unless the air circulation becomes more zonal / poleward again we will continue to see more incursions of both polar and equatorial air masses into the mid latitudes (with the greater extremes that implies) but with a generally cooling trend.
As an air mass is cooled and precipitates, it preferentially loses heavy water and must increasingly precipitate light water.
A front is a boundary between two different types of air masses, these are normally warm moist air masses from the tropics and cooler drier air masses from polar regions.
When the Arctic Oscillation is negative, cold Arctic air masses tend to plunge southward and into the U.S., spawning snowstorms and leading to cooler than average conditions.
Though cool and dry relative to equatorial air, the air masses at the 60th parallel are still sufficiently warm and moist to undergo convection and drive a thermal loop.
Unless this really warm air contacts some much cooler air (or cooler land mass), there's nothing to coax the moisture out of the air in the form of precipitation (rain, fog).
Temperatures often fluctuate in the Arctic due to the strength or weakness of the polar vortex, the circle of winds — including the jetstream — that help to deflect warmer air masses and keep the region cool.
Model studies suggest that a collapse of the AMOC could lead to a reduction in surface air temperature of around 1 - 3 °C in the North Atlantic region and surrounding land masses, but with local cooling of up to 8 °C in areas of increased sea ice (Vellinga and Wood, 2002; Vellinga et al 2002; Manabe and Stouffer; 1997; Jacob et al 2005).
But with a cooler Gulf of Mexico, there would be less water in that warm air running in to a northern cold air mass, so less rain during that cold season.
The air inside the house slowly heats (or cools, in summer) that thermal mass.
The polar air masses become stronger or weaker as they are allowed to warm or cool by variable rates of energy release to space (unless someone has a better idea).
Air masses are more mobile than the ocean waters, and when they move to a cooler region, the water vapor condenses as rain or snow, leaving the heat energy in the atmossphere.
The CO2 absorption / emission is going on everywhere to move heat into the nitrogen / oxygen everywhere too, creating masses of air that rise and are displaced by cooler air, pushing the warmer air still higher up, where eventually heat is emitted into outer space.»
Note that the cooling air exits the cooling tunnel and goes into the shop where it cools some of the shop thermal mass (walls etc.) before exiting out a window across the shop that is left partly open — so the same fan provides cooling it two ways.
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